| ECO A05 in 1979 play it! nunn john dm defeats white's darga klaus in 64 moves | 1. Nf3 Nf6 2. d4 c5 3. c4 e6 4. e3 d5 5. cxd5 exd5 6. Be2 Nc6 7. O-O cxd4 8. Nxd4 Bd6 9. Nc3 O-O 10. Nf3 Re8 11. b3 Ne4 12. Bb2 Ba3 13. Bxa3 Nxc3 14. Qc2 Nxe2+ 15. Qxe2 Bg4 16. Bb2 d4 17. h3 d3 18. Qd2 Bxf3 19. gxf3 Ne5 20. Bxe5 Rxe5 21. Kh2 Qd7 22. Rg1 Rc8 23. Rad1 Rd5 24. e4 Qd6+ 25. Kh1 Rd4 26. Rc1 Rxc1 27. Rxc1 h6 28. Qc3 d2 29. Rd1 Qd7 30. Kg2 Rd6 31. Qe3 Qb5 32. f4 Rd3 |
| ECO A05 in 1995 play it! nunn john dm defeats white's norwood david in 108 moves | 1. Nf3 Nf6 2. d4 g6 3. Nbd2 d5 4. c3 Bg7 5. g3 Nbd7 6. Bg2 O-O 7. O-O c5 8. dxc5 Nxc5 9. Nb3 Nce4 10. Bf4 b6 11. Be5 Bb7 12. Qc2 e6 13. a4 Qe7 14. a5 Rfc8 15. Nfd4 Ba6 16. Bxe4 Nxe4 17. Bxg7 Kxg7 18. Nc1 e5 19. Nf3 Bb7 20. Qb3 Nc5 21. Qb4 Qf6 22. Qh4 Qxh4 23. Nxh4 b5 24. Nf3 f6 25. Nd2 Rab8 26. f4 d4 27. fxe5 fxe5 28. cxd4 exd4 29. Ncb3 d3 30. Nxc5 Rxc5 31. exd3 Rc2 32. Ne4 Rxb2 33. Rac1 Rc8 34. Rxc8 Bxc8 35. Rc1 Bh3 36. Ng5 Bf5 37. Rc7+ Kf6 38. Nxh7+ Ke5 39. Rxa7 Bxd3 40. a6 b4 41. Ra8 b3 42. Ng5 Ra2 43. a7 b2 44. Nf3+ Ke4 45. Nd2+ Ke3 46. Rb8 Ra1+ 47. Kg2 Kxd2 48. Rxb2+ Ke3 49. g4 Kf4 50. h3 Be4+ 51. Kf2 Rxa7 52. Rb3 Ra2+ 53. Kf1 Bf3 54. Rb6 Kg3 |
| ECO A05 in 2001 play it! nunn john dm defeats white's partenheimer axe in 54 moves | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. O-O Nc6 7. Nc3 a6 8. h3 Rb8 9. e4 b5 10. e5 Nd7 11. e6 fxe6 12. d5 exd5 13. cxd5 Na7 14. Nd4 Nf6 15. Re1 b4 16. Nce2 c5 17. dxc6 e5 18. Nb3 d5 19. Bg5 Nxc6 20. Bxf6 Qxf6 21. Qxd5+ Kh8 22. Qxc6 Qxf2+ 23. Kh1 Bb7 24. Qxb7 Rxb7 25. Bxb7 e4 26. Nd2 Bh6 27. Nxe4 Qf7 |
| ECO A05 in 2002 play it! nunn john dm defeats white's lindner arnd in 52 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 Nc6 6. O-O d6 7. d4 a6 8. h3 Rb8 9. b3 b5 10. cxb5 axb5 11. Bb2 b4 12. Nb1 Na7 13. Nbd2 Nd7 14. Qc2 Nb5 15. Rfd1 Bb7 16. Nc4 c5 17. dxc5 Bxb2 18. Qxb2 Nxc5 19. Nd4 Nc3 20. Re1 d5 21. Ne5 Qd6 22. Nd3 e5 23. Nc2 Nxe2+ 24. Rxe2 Nxd3 25. Qb1 d4 26. Bxb7 Rxb7 |
| ECO A05 in 1978 play it! nunn john dm defeats white's malich burkhard in 86 moves | 1. Nf3 Nf6 2. c4 e6 3. d4 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bf4 O-O 9. Be2 a6 10. a4 Bg4 11. h3 Bxf3 12. Bxf3 Qc7 13. O-O Nbd7 14. Qc2 c4 15. Rac1 Nc5 16. Ne2 b5 17. axb5 axb5 18. b4 cxb3 19. Qxb3 Qb6 20. Qc2 Nfd7 21. Be3 b4 22. Rb1 b3 23. Qd1 b2 24. Nd4 Rfb8 25. Qc2 Ra3 26. Rfd1 Ne5 27. Be2 Qb4 28. Rd2 Ra1 29. Rdd1 Rxb1 30. Rxb1 Ng4 31. Nc6 Nxe3 32. fxe3 Qb3 33. Qxb3 Rxb3 34. e5 dxe5 35. d6 e4 36. Kf2 Rb6 37. Nd4 Bxd4 38. exd4 Na4 39. d7 Rd6 40. Ke3 Rxd7 41. Bb5 Nc3 42. Rxb2 Rb7 43. Rb3 Nxb5 |
| ECO A10 in 1983 play it! nunn john dm defeats white's dizdarevic emir in 98 moves | 1. c4 g6 2. Nf3 Bg7 3. g3 d6 4. d4 Nf6 5. Bg2 O-O 6. O-O a6 7. Nc3 Nc6 8. h3 Rb8 9. Qc2 b5 10. cxb5 axb5 11. e4 b4 12. Ne2 Bd7 13. b3 Rb6 14. Bb2 e6 15. Nf4 Ne7 16. Nd2 Qb8 17. Nc4 Rb5 18. Ne3 Rc8 19. e5 Nfd5 20. Nfxd5 Nxd5 21. Nc4 Nb6 22. f4 Nxc4 23. bxc4 Ra5 24. d5 c6 25. dxe6 Bxe6 26. g4 Rc5 27. Qf2 Rxc4 28. f5 Bd5 29. e6 Bxb2 30. Qxb2 Qa7+ 31. Rf2 fxe6 32. Bxd5 cxd5 33. Qf6 Qf7 34. fxe6 Qxf6 35. Rxf6 Re4 36. Rd1 Rf8 37. Rxf8+ Kxf8 38. Rxd5 Ke7 39. Ra5 Kxe6 40. Kf2 d5 41. Ra7 d4 42. Rxh7 d3 43. Rh8 Kd7 44. Rh7+ Kc6 45. Rh8 Kc5 46. Rd8 Kc4 47. Kf3 Rd4 48. Rc8+ Kb5 49. Rb8+ Ka6 |
| ECO A01 in 1976 play it! nunn john dm defeats white's cafferty bernard in 72 moves | 1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Bd6 5. Nf3 f6 6. d4 e4 7. Nfd2 a6 8. Bxc6+ bxc6 9. c4 f5 10. Ba3 Nf6 11. Bxd6 cxd6 12. Nc3 O-O 13. Qc2 a5 14. O-O g5 15. f3 Ra7 16. cxd5 cxd5 17. Nb5 Rg7 18. Rac1 f4 19. Rce1 exf3 20. Nxf3 Ng4 21. exf4 gxf4 22. Qd2 Ne3 23. Rf2 Kh8 24. Rxe3 fxe3 25. Qxe3 Bg4 26. Nc3 Re7 27. Qd2 Bxf3 28. Rxf3 Rxf3 29. gxf3 Rg7+ 30. Kf1 Qh4 31. Qf2 Qh3+ 32. Ke1 Rg2 33. Qe3 Qh4+ 34. Kd1 Qf2 35. Qe8+ Rg8 36. Qe2 Qg1+ |
| ECO A00 in 1991 play it! nunn john dm defeats white's nory pascal in 72 moves | 1. Nc3 Nf6 2. e4 e5 3. Bc4 Nc6 4. d3 Bb4 5. Bg5 h6 6. Bxf6 Bxc3+ 7. bxc3 Qxf6 8. Ne2 d6 9. Rb1 Na5 10. Bb3 Bd7 11. O-O g5 12. d4 Nxb3 13. axb3 h5 14. c4 h4 15. dxe5 dxe5 16. Nc3 c6 17. Qe2 h3 18. g3 Rd8 19. Ra1 a6 20. Na4 O-O 21. Nc5 Bc8 22. Rfd1 Kg7 23. Rd3 Rxd3 24. Nxd3 Rd8 25. g4 b5 26. c5 Rd4 27. f3 Qd8 28. Rd1 a5 29. c3 Rd7 30. Nb2 Rxd1+ 31. Nxd1 a4 32. bxa4 bxa4 33. Ne3 a3 34. Nc4 Ba6 35. Qd2 Qxd2 36. Nxd2 Bc4 |
| ECO B93 in 1978 play it! nunn john dm defeats white's grinberg ricardo in 39 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Nbd7 7. Bd3 g6 8. Nf3 Bg7 9. O-O O-O 10. a4 b6 11. Qe1 Nc5 12. Qh4 Bb7 13. f5 b5 14. fxg6 fxg6 15. Be3 Nxd3 16. cxd3 Qd7 17. a5 Rac8 18. Qg3 e5 19. Bd2 Nh5 20. Kf2 |
| ECO B53 in 1982 play it! nunn john dm defeats white's messa roberto in 72 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Bb5 Qa5+ 7. Nc3 Qxb5 8. Nxb5 Nxd4 9. Nfxd4 dxe5 10. Nc7+ Kd8 11. Nxa8 exd4 12. Bf4 Nd5 13. O-O-O Nxf4 14. Rxd4+ Bd7 15. Rxf4 g6 16. Rc4 Bh6+ 17. Kb1 Bc6 18. b4 e6 19. b5 Bxg2 20. Rg1 Bd5 21. Rh4 Bg7 22. Ra4 Ke7 23. Nc7 Bf3 24. Rg3 Rd8 25. a3 Rd1+ 26. Ka2 Ra1+ 27. Kb3 Rb1+ 28. Kc4 Be2+ 29. Kc5 Kd7 30. Rxa7 Kxc7 31. c4 Rd1 32. b6+ Kb8 33. Rb3 Bf8+ 34. Kb5 Rd4 35. Rc3 Rd5+ 36. Ka4 Bd1+ |
| ECO B20 in 1987 play it! nunn john dm defeats white's jackson sheila in 66 moves | 1. e4 c5 2. d4 cxd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 Nc6 6. Nf3 e6 7. Be2 Nf6 8. Be3 Be7 9. Nc3 Qd6 10. O-O O-O 11. a3 b6 12. Nb5 Qd8 13. Ne5 Nxe5 14. dxe5 Nd5 15. Bd4 Bb7 16. Bf3 Qd7 17. Nc3 Rfd8 18. Nxd5 Bxd5 19. Bxd5 Qxd5 20. Bc3 Qc4 21. Qf3 Rac8 22. Rfd1 Qb3 23. h3 g6 24. Rxd8+ Rxd8 25. Qb7 Bc5 26. Qf3 Qc2 27. Qf6 Rd5 28. Qf4 Rd3 29. a4 Rd5 30. a5 b5 31. a6 b4 32. Be1 Qxb2 33. Rc1 Qxe5 |
| ECO B40 in 2000 play it! nunn john dm defeats white's ansell simon in 64 moves | 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Nge7 5. Bg2 g6 6. O-O Bg7 7. Re1 d6 8. c3 e5 9. a3 O-O 10. b4 a6 11. Nbd2 h6 12. Rb1 Rb8 13. Nb3 b6 14. d4 c4 15. d5 cxb3 16. dxc6 Be6 17. Be3 Qc7 18. Qc1 Kh7 19. c4 Nxc6 20. Rxb3 Nd4 21. Rc3 Rfc8 22. Nd2 b5 23. c5 Qd7 24. Nf3 dxc5 25. bxc5 a5 26. Qd2 Nxf3+ 27. Bxf3 Qxd2 28. Bxd2 b4 29. axb4 axb4 30. Rcc1 b3 31. Be2 b2 32. Rcd1 Bb3 |
| ECO B31 in 2003 play it! nunn john dm defeats white's schmid wolfgang in 48 moves | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 bxc6 6. d3 d6 7. h3 e5 8. Nbd2 Ne7 9. Nc4 O-O 10. Qe2 h6 11. Nh2 Be6 12. f4 exf4 13. Rxf4 d5 14. Ne3 Qd7 15. exd5 cxd5 16. Rf1 f5 17. Nd1 Rae8 18. Nf3 Nc6 19. Qf2 d4 20. b3 g5 21. Nd2 Nb4 22. Nc4 f4 23. Ba3 f3 24. g4 Bxc4 |
| ECO B31 in 2002 play it! nunn john dm defeats white's seul georg in 94 moves | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 Nh6 7. c3 O-O 8. d4 cxd4 9. cxd4 d6 10. Nc3 f6 11. b3 Nf7 12. Bb2 e5 13. h3 Qa5 14. Rc1 Be6 15. Rc2 Rac8 16. Qd2 Bh6 17. Qe2 Rfd8 18. Bc1 Bg7 19. Bd2 Qb6 20. Be3 Qb7 21. Rd1 h6 22. Rdc1 Kh7 23. Qd1 d5 24. exd5 cxd5 25. Na4 e4 26. Ne1 g5 27. Nc5 Qe7 28. Nxe6 Qxe6 29. Rxc8 Rxc8 30. Rxc8 Qxc8 31. g4 h5 32. Qc2 Qe6 33. f3 Nd6 34. Kg2 Kh6 35. Qe2 f5 36. f4 fxg4 37. hxg4 Qxg4+ 38. Qxg4 hxg4 39. Nc2 Nf5 40. fxg5+ Kh5 41. b4 Nxe3+ 42. Nxe3 Bxd4 43. Nxd5 Kxg5 44. b5 e3 45. Nb4 e2 46. Nc2 Kf4 47. a4 Bb6 |
| ECO B30 in 2002 play it! nunn john dm defeats white's borriss martin in 104 moves | 1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Nf6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Qb6 10. c4 Bb4+ 11. Ke2 f5 12. Nf2 Ba6 13. Kf3 Ne7 14. Be3 Bc5 15. Bxc5 Qxc5 16. Qd6 Qb6 17. b3 c5 18. Rd1 Bb7+ 19. Ke3 Kf7 20. Qxb6 axb6 21. Rxd7 Bc6 22. Rd2 g5 23. Nh3 h6 24. fxg5 Ng6 25. gxh6 Rxh6 26. Ng5+ Ke7 27. Nf3 Bxf3 28. Kxf3 Nxe5+ 29. Ke2 Rah8 30. h3 Rg8 31. Kf2 Ng4+ 32. Kf3 e5 33. Rd5 Ke6 34. hxg4 fxg4+ 35. Ke4 Rxh1 36. Rxe5+ Kf6 37. Rf5+ Kg6 38. Bd3 Rd8 39. Rd5 Rxd5 40. cxd5 Kf6 41. g3 Rh2 42. a4 Rf2 43. Bc4 Rf3 44. d6 Rxg3 45. Kd5 Rg2 46. Kc6 g3 47. Kxb6 Rd2 48. Bf1 Ke6 49. Kxc5 Rc2+ 50. Kb6 Kxd6 51. b4 Rf2 52. Bh3 Rf4 |
| ECO B53 in 2006 play it! nunn john dm defeats white's heidenfeld mark in 107 moves | 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Be2 e5 7. Nf3 Be7 8. O-O O-O 9. Re1 h6 10. h3 Be6 11. Bf1 Nbd7 12. a4 Rc8 13. Re3 Nb6 14. Qe1 Nc4 15. Rd3 Qc7 16. b3 Nb6 17. Ba3 Rfd8 18. Rad1 Nbd7 19. Bb2 Bf8 20. R3d2 Nc5 21. Qe3 Qa5 22. Nxe5 dxe5 23. Rxd8 Rxd8 24. b4 Qc7 25. Rxd8 Qxd8 26. bxc5 Nd7 27. c6 bxc6 28. Bxa6 Bc5 29. Qe2 Qg5 30. Kh1 Nf6 31. Nd1 Qf4 32. Bd3 h5 33. Qf3 Qd2 34. Bxe5 Ng4 35. hxg4 Bxg4 36. Bc3 Qc1 37. Bb2 Qb1 38. c4 Bxf3 39. Bxb1 Bxd1 40. a5 Bxf2 41. e5 Be2 42. Be4 Bxc4 43. Bxc6 Be1 44. Bf3 g6 45. g4 h4 46. Kg2 Bxa5 47. Bc1 Be1 48. Bg5 Kf8 49. Kh3 Bf1+ 50. Bg2 Bxg2+ 51. Kxg2 Ke8 52. Kh3 Kd7 53. Bf6 Ke6 54. Kg2 |
| ECO B90 in 1978 play it! nunn john dm defeats white's large peter g in 98 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. a3 Be7 8. Ba2 O-O 9. O-O Nc6 10. Be3 Bd7 11. f4 Nxd4 12. Qxd4 Ng4 13. Kh1 Bf6 14. e5 Nxe3 15. Qxe3 dxe5 16. fxe5 Bg5 17. Qh3 Bc6 18. Rad1 Qe7 19. Bc4 Rad8 20. Bd3 g6 21. Rf2 Qc5 22. Qg3 Qe3 23. Re2 Qxg3 24. hxg3 Kg7 25. Ne4 Be7 26. Rf1 h5 27. Kh2 Rd4 28. Rf4 a5 29. Nd2 Rfd8 30. Ref2 Rxf4 31. gxf4 Bc5 32. Re2 Bd4 33. Nb3 Bxb2 34. Nxa5 Bxa3 35. Nxc6 bxc6 36. Re4 c5 37. g3 Bb4 38. Kg2 Bc3 39. Ra4 Bd4 40. Kf3 Rb8 41. Kg2 Rb1 42. Ra3 Rg1+ 43. Kh2 h4 44. Be4 Re1 45. Bf3 g5 46. gxh4 gxf4 47. Bg2 Bxe5 48. Kh3 f5 49. Ra5 Re3+ |
| ECO B41 in 2002 play it! nunn john dm defeats white's brendel oliver in 68 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Bxf6 gxf6 11. Nd5 f5 12. Bxb5 axb5 13. Nxb5 Ra7 14. Nxa7 Nxa7 15. exf5 Nb5 16. c3 Nc7 17. Ne3 Bg7 18. Qa4+ Qd7 19. Qh4 O-O 20. g4 Re8 21. f6 Qd8 22. g5 Bf8 23. h3 Be6 24. Rg1 Nd5 25. Nxd5 Bxd5 26. O-O-O Qa8 27. Rxd5 Qxd5 28. Kb1 Ra8 29. c4 Qd3+ 30. Ka1 d5 31. Qg3 Qxc4 32. a3 Bc5 33. g6 hxg6 34. Qxe5 Rxa3+ |
| ECO B23 in 1991 play it! nunn john dm defeats white's koumanis stamati in 58 moves | 1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. g3 d6 6. Bg2 e6 7. d3 Nge7 8. O-O O-O 9. Be3 Nd4 10. Bxd4 cxd4 11. Ne2 Qb6 12. Rb1 Bd7 13. Kh1 Rac8 14. Qd2 Rc7 15. c3 dxc3 16. bxc3 Qa6 17. Rfc1 Rfc8 18. Nfd4 e5 19. Nc2 exf4 20. Nb4 Qa4 21. Qxf4 a5 22. Qxd6 axb4 23. Qxe7 bxc3 24. e5 Qxa2 25. Rxb7 Bf8 26. Qf6 Qxe2 27. Bd5 Be6 28. Bxe6 Rxb7 29. Bxc8 Rb2 |
| ECO B33 in 2002 play it! nunn john dm defeats white's fontaine robert in 104 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bxb5 axb5 12. Nxb5 Ra7 13. Nxa7 Nxa7 14. c3 Bg7 15. Qa4+ Qd7 16. Qa5 fxe4 17. Nc7+ Ke7 18. Qxa7 Kd8 19. O-O-O Qxc7 20. Rxd6+ Qxd6 21. Rd1 Qxd1+ 22. Kxd1 Bd7 23. b4 Ke7 24. b5 Rc8 25. Qa3+ Ke8 26. b6 Bf8 27. Qa6 Rd8 28. Ke2 Bd6 29. c4 Bc6 30. c5 Ra8 31. Qc4 Ra5 32. Qb3 Rxc5 33. a4 Bd5 34. Qb2 Bb7 35. g4 Ke7 36. Kf1 Rc4 37. a5 Ra4 38. Qc3 Ra3 39. Qe1 Ke6 40. Kg1 Bc5 41. a6 Rxa6 42. Qc3 Bd4 43. Qc4+ Kf6 44. h4 Rxb6 45. Qc1 Rb2 46. Qg5+ Ke6 47. Qf5+ Ke7 48. Qg5+ Kd7 49. Qf5+ Ke8 50. Qxh7 Rxf2 51. Qh8+ Ke7 52. g5 e3 |